You must have breakfast, _________ you may have a stomachache.
---- What’s wrong with him? ---- He doesn’t feel very well. The doctor _______ just now.
When you are planting trees, the trees ________ straight in the hole.
I was about to park my car when a policeman stopped me. He pointed to a sign “________”.
Jim is a nice boy ________ likes helping others.
----Can you tell me _________ ? ----They cost 200 yuan.